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118 lines
4.1 KiB
C
118 lines
4.1 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Universal charset detector code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Kohei TAKETA <k-tak@void.in>
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* Jim Huang <jserv.tw@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef ___CHARDET_H___
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#define ___CHARDET_H___
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#include <stddef.h>
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#define CHARDET_RESULT_OK 0
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#define CHARDET_RESULT_NOMEMORY (-1)
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#define CHARDET_RESULT_INVALID_DETECTOR (-2)
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#define CHARDET_MAX_ENCODING_NAME 64
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typedef void* chardet_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Create an encoding detector.
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* @param pdet [out] pointer to a chardet_t variable that receives
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* the encoding detector handle.
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* @return CHARDET_RESULT_OK if succeeded. CHARDET_RESULT_NOMEMORY otherwise.
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*/
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int chardet_create(chardet_t* pdet);
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/**
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* Destroy an encoding detector.
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* @param det [in] the encoding detector handle to be destroyed.
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*/
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void chardet_destroy(chardet_t det);
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/**
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* Feed data to an encoding detector.
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* @param det [in] the encoding detector handle
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* @param data [in] data
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* @param len [in] length of data in bytes.
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* @return CHARDET_RESULT_OK if succeeded.
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* CHARSET_RESULT_NOMEMORY if running out of memory.
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* CHARDET_RESULT_INVALID_DETECTOR if det was invalid.
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*/
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int chardet_handle_data(chardet_t det, const char* data, unsigned int len);
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/**
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* Notify an end of data to an encoding detctor.
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* @param det [in] the encoding detector handle
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* @return CHARDET_RESULT_OK if succeeded.
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* CHARDET_RESULT_INVALID_DETECTOR if det was invalid.
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*/
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int chardet_data_end(chardet_t det);
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/**
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* Reset an encoding detector.
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* @param det [in] the encoding detector handle
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* @return CHARDET_RESULT_OK if succeeded.
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* CHARDET_RESULT_INVALID_DETECTOR if det was invalid.
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*/
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int chardet_reset(chardet_t det);
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/**
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* Get the name of encoding that was detected.
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* @param det [in] the encoding detector handle
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* @param namebuf [in/out] pointer to a buffer that receives the name of
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* detected encoding. A valid encoding name or an empty string
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* will be written to namebuf. If an empty strng was written,
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* the detector could not detect any encoding.
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* Written strings will always be NULL-terminated.
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* @param buflen [in] length of namebuf
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* @return CHARDET_RESULT_OK if succeeded.
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* CHARDET_RESULT_NOMEMORY if namebuf was too small to store
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* the entire encoding name.
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* CHARDET_RESULT_INVALID_DETECTOR if det was invalid.
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*/
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int chardet_get_charset(chardet_t det, char* namebuf, unsigned int buflen);
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#ifdef __cplusplus
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}
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#endif
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#endif
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